Charles s



To all whom it mag/.concern einer sans CHARLES s. B ONNEY, or, sYRAcUsE, NEW

Letters Patent No. 105,896, dated August 2,1870.

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The Schedule referred to in these Letters I atent and making part ofthe name.

Be itknownulan'l, CHARLES s. BONNEY, of syracuse, State of N ew York, `have invented a new and useful Improvement in Hollow" Angers; and I do hereby declare that the following is full and complete ferent sizes and lengths of tenons.

l To describe my invention more fully- "A, is ametal cylinder or` barrel, with longitudinal. slots or openings, with the metal'shauk B iu the lower endfand, the revolving disk O and knife D on the upper end.

B isa shank for connect-ing the auger to a brace or other device for using the same.

O is a disk, which revolves upona piu or hub on i i the barrel A, with different sizes of holes in it, to correspond with the dilferent sizes of tenons that itis desired to make. Y a

D is the knife, which cuts the tenon to t any sized hole to which it is set, and which can be elevated or depressed by the three screws'bearingupon its upper surface, audwhch is held in position by the bar E,

which is pressed against its-under surface by screws at each end, and by the screws I against the edge.

F is a piece,"whiclx is held inside by the barrel- A, by means of the cross-bar G and screw H, and which can :be moved up and down, so as to make the tenon of any desired length.

What I claim' as new, and desire to secure by Letters Patent, is-

The revolving disk C and movable piece F, constructedaud arranged substantiallyA as specified, and for the purpose set forth. y

CHARLESA S. BONNEY. Witnesses:

A. T. BONNEY,

B. MGGU'IN.

aient djijliw. 

